NULL pointer dereference in Gpac

CVE-2025-7797

A vulnerability was found in GPAC up to 2.4. It has been rated as problematic. Affected by this issue is the function gf_dash_download_init_segment of the file src/media_tools/dash_client.c. The manipulation of the argument base_init_url leads to null pointer dereference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 153ea314b6b053db17164f8bc3c7e1e460938eaa. It is recommended to apply a patch to fix this issue.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.010 (59.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-7797: held from 0.009 to 0.010.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.001

Affected products

  • Gpac
  • Gpac — versions 2.0, 2.1, 2.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-7797?
CVE-2025-7797 is a medium-severity vulnerability in Gpac, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2025-07-18.
How severe is CVE-2025-7797?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-7797 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.